STD02N and STD02P: Darlington Transistors for Audio Amplifiers

The STD02N and STD02P are enhanced Darlington transistors with built-in drivers and temperature compensation diode. Manufactured using the unique Sanken thin-wafer production technology, these devices achieve higher power levels through decreased thermal resistance, and can withstand higher voltages than similar devices on the market.

The temperature compensation diode is integrated on the same chip as the power transistors. By this design, the STD02N and STD02P eliminate delays that would otherwise be induced between thermal sensing at the heat source, and the operation of the compensation circuitry. Thus, these transistors are ideal for applications where enhanced thermal stability is required.

This device is provided in a 5-pin TO-3P plastic package with pin 4 removed. Contact Allegro for application support and additional information on device performance.

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  • Built-in temperature compensation diodes
  • High power (130 W) handling in a small package (TO-3P), for minimized heat sink requirements
  • Built-in drivers and temperature compensation diodes, reducing external component count and simplifying circuit design
  • NPN and PNP versions
  • Emitter terminals placed symmetrically, pin 5 on NPN and pin 1 on PNP models, allowing adjacent placement on PCB to minimize trace length and output skew when used in pairs
  • Approved by major manufacturers

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Allegro’s products are not to be used in any devices or systems, including but not limited to life support devices or systems, in which a failure of Allegro’s product can reasonably be expected to cause bodily harm.

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